409468913 has 8 divisors (see below), whose sum is σ = 472789632. Its totient is φ = 347354496.

The previous prime is 409468903. The next prime is 409468933. The reversal of 409468913 is 319864904.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 409468913 - 2²² = 405274609 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (409468903) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 300845 + ... + 302202.

It is an arithmetic number, because the mean of its divisors is an integer number (59098704).

Almost surely, 2^409468913 is an apocalyptic number.

It is an amenable number.

409468913 is a deficient number, since it is larger than the sum of its proper divisors (63320719).

409468913 is an equidigital number, since it uses as much as digits as its factorization.

409468913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 603151.

The product of its (nonzero) digits is 186624, while the sum is 44.

The square root of 409468913 is about 20235.3382230196. The cubic root of 409468913 is about 742.5749794098.

The spelling of 409468913 in words is "four hundred nine million, four hundred sixty-eight thousand, nine hundred thirteen".